You're reading from Data Cleaning with Power BI

Product typeBook

Published inFeb 2024

PublisherPackt

ISBN-139781805126409

Edition1st Edition

Concepts

Data Analysis

Author (1)

Gus Frazer

Understanding the M language

M, also known as the Power Query formula language, is an integral part of Power BI and Power Query. It facilitates the transformation of raw, unstructured, or messy data into organized, refined datasets that are ready for analysis and visualization. Unlike traditional formulas in Excel that operate on cell-level data, M operates on entire columns or tables, enabling complex data transformations across large datasets.

M and DAX are two coding languages within Power BI; however, M is also very different from DAX. It’s a functional, case-sensitive language (similar to F# for those familiar) that employs a sequence of steps to transform data. In Power Query’s M language, each step in the query editor represents a transformation or operation applied to the data. While not explicitly defined as functions, these steps function in a manner similar to functional programming. The steps operate sequentially, with the output of one step serving as...

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Data Cleaning with Power BI

Published in: Feb 2024Publisher: PacktISBN-13: 9781805126409

Author (1)

Gus Frazer

Gus Frazer is a seasoned analytics consultant who focuses on business intelligence solutions. With over eight years of experience working for the two market-leading platforms, Power BI (Microsoft) and Tableau, he has amassed a wealth of knowledge and expertise. He also has experience in helping hundreds of customers to drive their digital and data transformations, scope data requirements, drive actionable insights, and most important of all, clean data ready for analysis.
Read more about Gus Frazer

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Understanding the M language

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